Search Results

Analysis and parameterisation of ionic reactions affecting middle atmospheric HOx and NOy during solar proton events

by Verronen, P. T., Lehmann, Ralph
Published in Annales Geophysicae (2013)

Das Internationale Polarjahr 2007/08 - Folge 8: Coole Klassen - Schulprojekte im IPY

by Lehmann, Ralph, Huch, M.
Published 2008

Modeling Arctic ozone depletion and uncertainties in heterogeneous chemistry in the winters 2009/2010 and 2010/2011 with the ATLAS model

by Wohltmann, Ingo, Rex, Markus, Lehmann, Ralph
Published 2012

The Lagrangian chemistry and transport model ATLAS: Stratospheric chemistry in the Arctic winter 1999/2000

by Wohltmann, Ingo, Lehmann, Ralph, Rex, Markus
Published 2010

A quantitative analysis of the reactions involved in stratospheric ozone depletion in the polar vortex core

by Wohltmann, Ingo, Lehmann, Ralph, Rex, Markus
Published in Atmospheric Chemistry and Physics (2018)

A quantitative analysis of the reactions involved in stratospheric ozone depletion in the polar vortex core

by Wohltmann, Ingo, Lehmann, Ralph, Rex, Markus
Published in Atmospheric Chemistry and Physics (2017)

A quantitative analysis of the reactions involved in stratospheric ozone depletion in the polar vortex core

by Wohltmann, Ingo, Lehmann, Ralph, Rex, Markus
Published in Atmospheric Chemistry and Physics (2017)

Persistence of ozone anomalies in the Arctic stratospheric vortex in autumn

by Blessmann, Daniela, Wohltmann, Ingo, Lehmann, Ralph, Rex, Markus
Published in Atmospheric Chemistry and Physics (2012)

Summertime evolution of ozone in the high Arctic

by Schulz, Astrid, Krieg, J., Notholt, Justus, Lehmann, Ralph
Published 2003

Statistical analysis of the precision of the Match method

by Lehmann, Ralph, von der Gathen, Peter, Rex, Markus, Streibel, M.
Published 2005

A closer look at Arctic ozone loss and polar stratospheric clouds

by Harris, N. R. P., Lehmann, Ralph, Rex, Markus, von der Gathen, Peter
Published in Atmospheric Chemistry and Physics (2010)

Understanding the relation between Arctic ozone loss and the volume of polar stratospheric clouds

by Harris, N. R. P., Lehmann, Ralph, Rex, Markus, von der Gathen, Peter
Published in International Journal of Remote Sensing (2009)

The maintenance of elevated active chlorine levels in the Antarctic lower stratosphere through HCl null cycles

by Müller, Rolf, Grooß, Jens-Uwe, Zafar, Abdul Mannan, Robrecht, Sabine, Lehmann, Ralph
Published in Atmospheric Chemistry and Physics (2018)

Quantifying Arctic ozone loss and its relation to climate change

by von der Gathen, Peter, Rex, Markus, Frieler, K., Lehmann, Ralph, Streibel, M.
Published 2004

Quantitative understanding of polar ozone losses

by von der Gathen, Peter, Frieler, K., Lehmann, Ralph, Rex, Markus, Streibel, M.
Published 2004

The maintenance of elevated active chlorine levels in the Antarctic lower stratosphere through HCl null cycles

by Müller, Rolf, Grooß, Jens-Uwe, Zafar, Abdul Mannan, Robrecht, Sabine, Lehmann, Ralph
Published in Atmospheric Chemistry and Physics (2018)

Comparison of Arctic and Antarctic trace gas column abundances from ground-based Fourier transform infrared spectrometry

by Notholt, Justus, Toon, G. C., Lehmann, Ralph, Sen, B., Blavier, J.-F.
Published 1997

The maintenance of elevated active chlorine levels in the Antarctic lower stratosphere through HCl null cycles

by Müller, Rolf, Grooß, Jens-Uwe, Zafar, Abdul Mannan, Robrecht, Sabine, Lehmann, Ralph
Published in Atmospheric Chemistry and Physics (2018)

A regional climate model of the Arctic atmosphere

by Botzet, M., Christensen, C. E., Dethloff, Klaus, Lehmann, Ralph, Machenhauer, B., Rinke, Annette
Published 1996

Theory and observation of Arctic ozone loss rates

by Rex, Markus, Lehmann, Ralph, Salawitch, R. J., Santee, M. L., Waters, J. W.
Published 2000